/Engine/Source/Runtime/TypedElementFramework/Public/Elements/Interfaces/TypedElementDataStorageUiInterface.h
typedef [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< void(const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > &NewWidget, TypedElementRowHandle Row)> WidgetCreatedCallback